This article is from Proof Positive, our friendly newsletter that explores the joys and peculiarities of math. Sign up today for a weekly math essay and puzzle in your email inbox. Last week we ...
Consider lunch. Perhaps a nice ham sandwich. A knife should neatly halve the ham and two bread slices. But what if you slip? Oops—the ham now rests folded under a ...
If two people pick alternate slices from a pizza that has been cut unevenly from an off-centre point, common sense suggests one of them will walk away with more. But geometry says otherwise.In the ...
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